| 单词 | penetration phosphors |
| 释义 | penetration phosphors [´pen·ǝ`trā·shǝn ´fäs·fǝrz] ELECTRONICS Phosphors of two different colors that are placed in separate layers on the screen of a cathode-ray tube to form a system for creating color displays in which a high-energy beam penetrates the first layer and excites the second, while a low-energy beam is stopped by the first layer and excites it. |
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